/Engine/Source/Runtime/Core/Public/Misc/TextFilterExpressionEvaluator.h
Perform a complex expression test for the current item
virtual bool TestComplexExpression ( const [FName](API\Runtime\Core\UObject\FName) & InKey, const [FTextFilterString](API\Runtime\Core\Misc\FTextFilterString) & InValue, const ETextFilterComparisonOperation InComparisonOperation, const ETextFilterTextComparisonMode InTextComparisonMode ) const